It works at reboot with USB reset, but fails at a fresh power on now. I had to remove it unfortunately.
On Mon, May 5, 2025, 2:07 AM <neil.armstr...@linaro.org> wrote: > Hi, > > +CC u-boot-amlo...@groups.io > +CC linux-amlo...@lists.infradead.org > > On 05/05/2025 00:34, Wayne Schroeder wrote: > > Hello. I am not sure if this is a bug, or even related to u-boot, but I > am > > reporting it here because it was easiest to resolve via a u-boot change. > > > > I am using u-boot-2025.04 (source) with a mainline linux from Arch Linux > > Arm. > > Linux alarm 6.14.4-1-aarch64-ARCH #1 SMP PREEMPT_DYNAMIC Sat Apr 26 > > 13:02:01 MDT 2025 aarch64 GNU/Linux > > > > On my odroid-n2+, the USB ports work on the first boot after power. If I > > run shutdown -r now, or hit ctl-alt-del and otherwise reboot the system, > > the usb ports do not function at the next or subsequent boot up. > > I think it's a very long term issue, USB lacks a proper reset at probe on > warm reset, does USB still work from U-Boot after the reboot ? > > > > > My apologies if this is not applicable to u-boot because it is a linux > > issue--I am not sure what the source of the issue is, but adjusting the > > u-boot .config after make odroid-n2_defconfig resolved the issue > entirely. > > > > I am booting via extlinux/extlinux.conf and have adjusted my > > CONFIG_BOOTCOMMAND before build to execute a usb reset prior to the > > existing run distro_bootcmd. > > > > CONFIG_BOOTCOMMAND="usb reset; run distro_bootcmd" > > I'm pretty sure there's driver callbacks we should implement to do the > same here, I need to check. > > > > > This has allowed me to reboot the system and successfully have access to > > the USB devices such as my keyboard, mouse, and root file system on USB3 > > SSD. > > > > Thanks! > > > > Wayne > >
